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1000 Feet
1000 ft
It varies, depending on how many people are on the airplane, but on average, from 30 minutes to an hour.
Stansted Airport is the third busiest airport in London though it only has one runway. The total retail space at Stansted Airport is appoxiamtely 114,184 square feet. The runway measures 10,000 feet long by 151 feet wide. There are also 25,726 parking spaces there.
40000 feet = 7.6 miles
About 4.2 miles.
roughly 1,256,640,000 feet on the average
One inch on the model represents 72 inches -- or six feet -- on the real McCoy. Since the miniature is two inches long, the actual airplane it represents is 12 feet long.
31,680 feet = 6 miles.
The advantages of anti-skid system are that the plane does not skid when the runway gets slippery or watery. The runway gets slippery if there is a heavy downpur due to storms etc... The Anti-Skid system prevents it and saves the lives of many passengers and damage to airplane.
They take lots of runway to take-off and land, so airports have to be bigger. Also many people may not want to go to the limited amount of airports they use.
Every aircraft has a different height, and there are so many it is impossible to say an average speed. Most airliners cruise around 580-640 mph.